Home / 3,076.93-4,614.72-1,431.91

Finding the Fourth Proportional to 3,076.93, 4,614.72 and 1,431.91

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Solution

The fourth proportional to 3,076.93, 4,614.72 and 1,431.91 is: 2,147.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.93 : 4,614.72 = 1,431.91 : x
  2. Step 2: Convert to fraction form
    3,076.93/4,614.72 = 1,431.91/x
  3. Step 3: Cross multiply
    3,076.93x = 4,614.72 × 1,431.91
  4. Step 4: Simplify right side
    3,076.93x = 6,607,863.72
  5. Step 5: Solve for x
    x = 6,607,863.72/3,076.93
  6. Step 6: Final answer
    x = 2,147.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.